US3202588A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making decorative metal sheet
Assignee: Individual
•
Filing: 1961-08-30
•
Granted: 1965-08-24
•
Expires: 1981-08-30
Abstract
No abstract record available.
Inventors
- 👤 Howard A Fromson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:55
CPC Classifications
B; B44; B44C; B44C3/00; B44C3/02; B44C3/025; B44C1/00; B44C1/22; B44C1/222; B44C1/227; B44F; B44F1/00; B44F1/08; C; C23; C23F; C23F1/00; C23F1/02; C25; C25D; C25D11/00; C25D11/02; C25D11/022; C25D11/04; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/927; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12736; Y10T428/1275; Y10T428/12757
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
THE METHOD OF PRODUCING A DECORATIVE SURFACE ON A COMPOSITE SHEET HAVING A LAYER OF STAINLESS STEEL JOINED TO AN UNDERLYING LAYER OF ALUMINUM, WHICH COMPRISES COATING THE SURFACE OF THE STAINLESS STELL LAYER WITH A PROTECTIVE ACID-RESISTING MATERIAL, THEN REMOVING PREDETERMINED PORTIONS OF THE STAINLESS STEEL LAYER AND EXPOSING SURFACE AREAS OF THE UNDERLYING ALUMINUM LAYER, THEN ANODIZING THE EXPOSED SURFACE AREAS OF THE ALUMINUM LAYER AND THEN REMOVING THE COATING OF PROTECTIVE MATERIAL FROM THE SURFACE OF THE STAINLESS STEEL LAYER.
Claim 2
Independent Claim
83 words
THE METHOD OF PRODUCING A DECORATIVE SURFACE ON A COMPOSITE SHEET HAVING A LAYER OF STAINLESS STEEL JOINED TO AN UNDERLYING LAYER OF ALUMINUM, WHICH COMPRISES COATING THE SURFACE OF THE STAINLESS STELL LAYER WITH A PROTECTIVE ACID-RESISTING MATERIAL, THEN REMOVING PREDETERMINED PORTIONS OF THE STAINLESS STEEL LAYER AND EXPOSING SURFACE AREAS OF THE UNDERLYING ALUMINUM LAYER, THEN ANODIZING THE EXPOSED SURFACE AREAS OF THE ALUMINUM LAYER AND THEN REMOVING THE COATING OF PROTECTIVE MATERIAL FROM THE SURFACE OF THE STAINLESS STEEL LAYER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |